// -*- c++ -*-
/*
 * C++ <cstring> header
 *
 * This file is part of PanicOS.
 *
 * PanicOS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PanicOS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with PanicOS.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef _LIBCPP_CSTRING
#define _LIBCPP_CSTRING

#include <cstddef>

namespace std {
	extern "C" {

	// copying functions
	void *memcpy(void *s1, const void *s2, std::size_t n);
	void *memmove(void *s1, const void *s2, std::size_t n);
	char *strcpy(char *s1, const char *s2);
	char *strncpy(char *s1, const char *s2, std::size_t n);

	// concatenation functions
	char *strcat(char *s1, const char *s2);
	char *strncat(char *s1, const char *s2, std::size_t n);

	// comparison functions
	int memcmp(const void *s1, const void *s2, std::size_t n);
	int strcmp(const char *s1, const char *s2);
	int strncmp(const char *s1, const char *s2, std::size_t n);

	// search functions
	void *memchr(const void *s, int c, std::size_t n);
	char *strchr(const char *s, int c);

	// miscellaneous functions
	void *memset(void *s, int c, std::size_t n);
	char *strerror(int errnum);
	std::size_t strlen(const char *s);
	}
} // namespace std

#endif
